Final Environmental Assesssment - VOL 1, 1990 - U.S DOT, FAA

FINAL ENVIRONMENTAL AssESS-MEN-~T-VOL. 1, 1990- U.S. DOT, FAA PLEASE RETURN TO AVIATION DIVISION LIBRARY SEATTLE-TACOfvIA INTL. AIRPORT 110106 FINAL ENVIRONMENTAL ASSESSMENT PROPOSED CHANGES TO AIR TRAFFIC ARRIVAL AND DEPARTURE ROUTES AT SEATTLE-TACOMA INTERNATIONAL AIRPORT Seattle, Washington Volume I 1990 U.S. Department of Federal Aviation Transportation Administration FINAL ENVIRONMENTAL ASSESSMENT FOR PLEASE RETURN "TO AVIATION DIVISION LIBRARY SEAITLE-i-ACOMA INTL. AIRPORT I:10i0G PROPOSED CHANGES TO AIR TRAFFIC ARRIVAL AND DEPARTURE ROUTES AT SEATTLE-TACOMA INTERNATIONAL AIRPORT Seattle, Washington Prepared by Federal Aviation Administration Air Traffic Division Seattle, Washington MARCH 1990 This environmental assessment becomes a Federal Government document when evaluated and signed by.the responsible FAA official. nson, Jr. Manager, Traffic Division Date For further information contact: Mr. Richard Prang Federal Aviation Administration 17900 Pacific Highway South Mail: C-68966 Seattle, WA 98168 (206) 431-2530 TABLE OF CONTENTS Volume I Final Environmental Assessment Table of Exhibits Purpose and Need Background ......... 2 Historical ~e~s~e#tiv~ i ! i i i i ......... 2 Current Perspective ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ . . . . . . 4 Air Carrier Scheduling ............... 4 Airport Configuration ............ 5 Air Traffic Control Improvements .......... 5 a. High Altitude Issues ............ 6 b. Low Altitude Issues ............ 9 Summary ...................... 11 II. Alternatives Considered ............... 12 Discussion of Procedural Alternatives ........ 13 Preferred Alternative ................ 36 III. Affected Environment ................ 48 IV. Environmental Consequences .............. 49 V. List of Preparers and Agencies and Persons Consulted .61 VI~ References ...................... 65 VII. Response to Public Comments…

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Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]